[INFO] cloning repository https://github.com/krishnakumar4a4/rust-java-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnakumar4a4/rust-java-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 618da43c3dbf1ba4d2b77ec3a483c5a73b80da51 [INFO] checking krishnakumar4a4/rust-java-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krishnakumar4a4/rust-java-rust on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/krishnakumar4a4/rust-java-rust [INFO] finished tweaking git repo https://github.com/krishnakumar4a4/rust-java-rust [INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/rust-java-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/krishnakumar4a4/rust-java-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rucaja v0.4.5 [INFO] [stderr] Downloaded jni v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b380f257b1f44a9e54035511c18b451348b44d2945965c8a470c61db87c6685 [INFO] running `Command { std: "docker" "start" "-a" "5b380f257b1f44a9e54035511c18b451348b44d2945965c8a470c61db87c6685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b380f257b1f44a9e54035511c18b451348b44d2945965c8a470c61db87c6685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b380f257b1f44a9e54035511c18b451348b44d2945965c8a470c61db87c6685", kill_on_drop: false }` [INFO] [stdout] 5b380f257b1f44a9e54035511c18b451348b44d2945965c8a470c61db87c6685 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1204d1d764c226fba45a22fd6df00332db1ce8f777133185afa884d353d116fd [INFO] running `Command { std: "docker" "start" "-a" "1204d1d764c226fba45a22fd6df00332db1ce8f777133185afa884d353d116fd", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Compiling rucaja v0.4.5 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Compiling jni v0.11.0 [INFO] [stderr] Compiling rust-java-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stdout] warning: unused import: `jbyteArray` [INFO] [stdout] --> src/main.rs:9:85 [INFO] [stdout] | [INFO] [stdout] 9 | use jni_sys::{_jobject, JNINativeInterface_, JNINativeMethod, jclass, jint, JNIEnv, jbyteArray}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `jbyteArray` [INFO] [stdout] --> src/main.rs:9:85 [INFO] [stdout] | [INFO] [stdout] 9 | use jni_sys::{_jobject, JNINativeInterface_, JNINativeMethod, jclass, jint, JNIEnv, jbyteArray}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:55:80 [INFO] [stdout] | [INFO] [stdout] 55 | ...rom_java_with_byte_array as (extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray) as *mut c_void; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 55 - let call_from_java_with_byte_array_ptr = call_from_java_with_byte_array as (extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray) as *mut c_void; [INFO] [stdout] 55 + let call_from_java_with_byte_array_ptr = call_from_java_with_byte_array as extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray as *mut c_void; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:55:80 [INFO] [stdout] | [INFO] [stdout] 55 | ...rom_java_with_byte_array as (extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray) as *mut c_void; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 55 - let call_from_java_with_byte_array_ptr = call_from_java_with_byte_array as (extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray) as *mut c_void; [INFO] [stdout] 55 + let call_from_java_with_byte_array_ptr = call_from_java_with_byte_array as extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray as *mut c_void; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:101:39 [INFO] [stdout] | [INFO] [stdout] 101 | extern "C" fn call_from_java_with_int(env: &JNIEnv, _class: jclass, n: jint) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:101:39 [INFO] [stdout] | [INFO] [stdout] 101 | extern "C" fn call_from_java_with_int(env: &JNIEnv, _class: jclass, n: jint) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:117:50 [INFO] [stdout] | [INFO] [stdout] 117 | extern "C" fn call_from_java_with_byte_array_arg(env: JNIEnv, _class: jclass, a: jni_jbyteArray) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:117:50 [INFO] [stdout] | [INFO] [stdout] 117 | extern "C" fn call_from_java_with_byte_array_arg(env: JNIEnv, _class: jclass, a: jni_jbyteArray) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `Command { std: "docker" "inspect" "1204d1d764c226fba45a22fd6df00332db1ce8f777133185afa884d353d116fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1204d1d764c226fba45a22fd6df00332db1ce8f777133185afa884d353d116fd", kill_on_drop: false }` [INFO] [stdout] 1204d1d764c226fba45a22fd6df00332db1ce8f777133185afa884d353d116fd [INFO] checking krishnakumar4a4/rust-java-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krishnakumar4a4/rust-java-rust on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/krishnakumar4a4/rust-java-rust [INFO] finished tweaking git repo https://github.com/krishnakumar4a4/rust-java-rust [INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/rust-java-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/krishnakumar4a4/rust-java-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bdbbb2247e917fcda1576957e9ed02afc5b20be882cd461ac3f5e61cc2d27ed6 [INFO] running `Command { std: "docker" "start" "-a" "bdbbb2247e917fcda1576957e9ed02afc5b20be882cd461ac3f5e61cc2d27ed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bdbbb2247e917fcda1576957e9ed02afc5b20be882cd461ac3f5e61cc2d27ed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdbbb2247e917fcda1576957e9ed02afc5b20be882cd461ac3f5e61cc2d27ed6", kill_on_drop: false }` [INFO] [stdout] bdbbb2247e917fcda1576957e9ed02afc5b20be882cd461ac3f5e61cc2d27ed6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 862c4e538210c3dbd62a19b4f62472e68a646272f2969bb02024d39315e25b11 [INFO] running `Command { std: "docker" "start" "-a" "862c4e538210c3dbd62a19b4f62472e68a646272f2969bb02024d39315e25b11", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling rucaja v0.4.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling jni v0.11.0 [INFO] [stderr] Compiling rust-java-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/jni-0.11.0/src/wrapper/macros.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | / unsafe { [INFO] [stdout] 57 | | jni_method!($jnienv, $name)($jnienv, $($args),*) [INFO] [stdout] 58 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/jni-0.11.0/src/wrapper/jnienv.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | jni_unchecked!(self.internal, FatalError, msg.as_ptr()); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `jni_unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `jni` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "862c4e538210c3dbd62a19b4f62472e68a646272f2969bb02024d39315e25b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "862c4e538210c3dbd62a19b4f62472e68a646272f2969bb02024d39315e25b11", kill_on_drop: false }` [INFO] [stdout] 862c4e538210c3dbd62a19b4f62472e68a646272f2969bb02024d39315e25b11